'''已知元组tu_num1 = ('p','y','t',['o','n']),请向元组的最后一个列表中添加新元素'h'.'''
tu_num1 = ('p','y','t',['o','n'])
tu_num1[3].insert(0,'h') # insert可以在指定位置插入新元素
print(tu_num1)